Lewistown Weather Forecast

    • 31
    • 45

    Mostly Cloudy

    • 36
    • 55

    Mostly Cloudy

    • 25
    • 55

    Rain Showers Likely

    • 21
    • 38

    Mostly Cloudy

    • 24
    • 39

    Chance Snow

    • 28
    • 46

    Chance Rain/Snow

    • 22
    • 42

    Chance Snow

Today 11 Mar Fergus County below 4500ft

Breezy. Mostly cloudy. A 20 percent chance of rain and snow early in the morning. Highs 50 to 55. West Winds 5 to 15 Mph increasing to 15 to 25 Mph in the afternoon.

Tonight 11 Mar Fergus County below 4500ft

Mostly cloudy. Lows in the mid 30s. West Winds 5 to 10 Mph shifting to the south after midnight.

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Lewistown Temperature Statistics

March Temperature

Lewistown, Lewistown Municipal Airport (1.2 miles)

  • Lowest 7 March, 2025

    13.7 °F

  • Average March

    34.4 °F

  • Highest 2 March, 2025

    57.7 °F

Climate (2020–Present)

Lewistown, Lewistown Municipal Airport (1.2 miles)

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  • Average Low 2020–2025

    32.1 °F

  • Average 2020–2025

    44.1 °F

  • Average High 2020–2025

    56 °F
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